The subpoenas, issued to the CEOs of Google -parent Alphabet , Amazon , Apple , Meta and Microsoft , come just months after Jordan initially requested the companies hand over such information voluntarily.
"Your response without compulsory process has been woefully inadequate," Jordan wrote in the letters.
"In contrast to Alphabet, Twitter recently set a benchmark for how transparent Big Tech companies can be about interactions with government over censorship," Jordan wrote, with similar language in the messages to other companies.
"The Twitter Files have exposed how Big Tech and the federal government have worked hand in hand in ways that undermine First Amendment principles.
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